Two-Dimensional Transition Metal Dichalcogenide Based Biosensors: From Fundamentals to Healthcare Applications

Biosensors, Journal Year: 2023, Volume and Issue: 13(2), P. 169 - 169

Published: Jan. 21, 2023

There has been an exponential surge in reports on two-dimensional (2D) materials ever since the discovery of graphene 2004. Transition metal dichalcogenides (TMDs) are a class 2D where weak van der Waals force binds individual covalently bonded X–M–X layers (where M is transition and X chalcogen), making layer-controlled synthesis possible. These building blocks (single-layer TMDs) from indirect to direct band gaps have fascinating optical electronic properties. Layer-dependent opto-electrical properties, along with existence finite gaps, make single-layer TMDs superior well-known that paves way for their applications many areas. Ultra-fast response, high on/off ratio, planar structure, low operational voltage, wafer scale capabilities, surface-to-volume compatibility standard fabrication processes makes ideal candidates replace conventional semiconductors, such as silicon, etc., new-age electrical, electronic, opto-electronic devices. Besides, can be potentially utilized single molecular sensing early detection different biomarkers, gas sensors, photodetector, catalytic applications. The impact COVID-19 given rise upsurge demand biosensors real-time capabilities. active or supporting biosensing elements exhibit potential biomarkers and, hence, show promise development point-of-care healthcare In this review, we provide historical survey TMD-based bio analytes ranging bacteria, viruses, whole cells via optical, electrochemical mechanisms. Current approaches latest developments study devices using discussed. Additionally, review presents overview challenges area discusses future perspective field

Language: Английский

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Emerging 2D materials beyond mxenes and TMDs: Transition metal carbo-chalcogenides

Progress in Materials Science, Journal Year: 2024, Volume and Issue: 144, P. 101287 - 101287

Published: March 20, 2024

The discovery of graphene sparked significant interest in 2D materials, which present an ultra-thin layered structure with high anisotropy and adjustable energy-band structure. Interestingly, it opens the door for development materials family, includes different classes materials. Among them, transition metal dichalcogenides (TMDs) carbide MXenes (TMCs) have emerged. TMDs unique structures, low cost, are composed earth abundant elements, but their poor electronic conductivity, cyclic stability, structural morphological changes during electrochemical measurements hinder practical use. Recently, TMC garnered attention material world, issue restacking aggregation limits direct use large-scale energy conversion storage. To address these challenges, hetero structures based on conductive TMCs electrochemically active emerged as a promising solution. However, understanding solid/solid interface heterostructured remains challenge. tackle this, single component crystals capacity, diffusion barrier, good conductivity highly sought. emergence carbo-chalcogenides (TMCCs) has provided potential solution, nanosheets consist TM2X2C, where TM represents metal, X is either S or Se, C atom. This new class serves remedy by avoiding challenges related to interfaces often encountered heterostructures. review focuses latest developments TMCCs, including synthetic strategies, surface/interface engineering, application batteries, water splitting, other electro-catalytic processes. future perspectives design TMCCs storage also discussed.

Language: Английский

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Substitutional doping of 2D transition metal dichalcogenides for device applications: Current status, challenges and prospects

Materials Science and Engineering R Reports, Journal Year: 2025, Volume and Issue: 163, P. 100946 - 100946

Published: Feb. 5, 2025

Language: Английский

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1D Insertion Chains Induced Small‐Polaron Collapse in MoS₂ 2D Layers Toward Fast‐Charging Sodium‐Ion Batteries

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(6)

Published: Nov. 21, 2023

Abstract Molybdenum disulfide (MoS 2 ) with high theoretical capacity is viewed as a promising anode for sodium‐ion batteries but suffers from inferior rate capability owing to the polaron‐induced slow charge transfer. Herein, polaron collapse strategy induced by electron‐rich insertions proposed effectively solve above issue. Specifically, 1D [MoS] chains are inserted into MoS break symmetry states of 2D layers and induce small‐polaron gain fast transfer so that as‐obtained thermodynamically stable Mo S 3 shows metallic behavior 10 7 times larger electrical conductivity than . Theoretical calculations demonstrate owns highly delocalized anions, which substantially reduce interactions Na−S efficiently accelerate Na + diffusion, endowing lower energy barrier (0.38 vs 0.65 eV ). The novel exhibits 510 mAh g −1 at 0.5 C superior high‐rate stability 217 40 over 15 000 cycles. Further in situ ex characterizations reveal in‐depth reversible redox chemistry intrinsically facilitating can be conducive electrode design fast‐charging batteries.

Language: Английский

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Intelligent designs from nature: Biomimetic applications in wood technology

Progress in Materials Science, Journal Year: 2023, Volume and Issue: 139, P. 101164 - 101164

Published: July 22, 2023

Language: Английский

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A robust and highly active bimetallic phosphide/oxide heterostructure electrocatalyst for efficient industrial-scale hydrogen production

Nano Energy, Journal Year: 2024, Volume and Issue: 128, P. 109805 - 109805

Published: May 27, 2024

Language: Английский

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Transition metal dichalcogenide‐based materials for rechargeable aluminum‐ion batteries: A mini‐review

ChemSusChem, Journal Year: 2024, Volume and Issue: 17(9)

Published: Jan. 12, 2024

Abstract Rechargeable aluminum‐ion batteries (AIBs) have emerged as a promising candidate for energy storage applications and been extensively investigated over the past few years. Due to their high theoretical capacity, nature of abundance, safety, AIBs can be considered an alternative lithium‐ion batteries. However, electrochemical performance large‐scale is still limited due poor selection cathode materials. Transition metal dichalcogenides (TMDs) regarded appropriate materials wide layer spacing, large surface area, distinct physiochemical characteristics. This mini‐review provides succinct summary recent research progress on TMD‐based in non‐aqueous AIBs. The latest developments benefits utilizing 3D‐printed electrodes are also explored.

Language: Английский

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Emerging Issues and Opportunities of 2D Layered Transition Metal Dichalcogenide Architectures for Supercapacitors

ACS Nano, Journal Year: 2025, Volume and Issue: unknown

Published: April 2, 2025

Two-dimensional layered transition metal dichalcogenides (2D TMDs) have emerged as promising candidates for supercapacitor (SCs) owing to their tunable electronic properties, structures, and effective ion intercalation capabilities. Despite these advantages, challenges such low electrical conductivity, the interlayer restacking, oxidation structural collapse hinder practical implementation. This review provides a comprehensive overview of recent advances in development 2D TMDs SCs. We begin by outlining charge storage mechanisms design principles SCs, followed an in-depth discussion synthesis methods associated fabricating TMD architectures. The subsequent sections explore crystal structures reaction mechanisms, illustrating electrochemical potential Furthermore, we highlight material modification strategies, including nanostructuring, defect engineering, phase control, surface/interface modulation, which been proposed overcome existing challenges. Finally, address critical issues emerging opportunities inspire SC technologies.

Language: Английский

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Effect of Phosphorus-Doped Phase-Modulated WS₂ Nanosheets on CdS Nanorods for Highly Efficient Photocatalytic Hydrogen Production

ACS Applied Energy Materials, Journal Year: 2024, Volume and Issue: 7(10), P. 4581 - 4593

Published: May 11, 2024

The utilization of earth-abundant natural resources, such as solar energy, for photocatalytic hydrogen production offers a potential way to mitigate the impacts fossil fuels. Here, we suggest heterostructure formation CdS nanorods with phosphorus-doped (P-doped) dual-phase WS2 nanosheets (1T-2H), goal exploring an extremely efficient photocatalyst water splitting. 1T-2H-transformed WS2-P nanostructures exhibit semimetallic nature high electronic conductivity and are enriched both basal edge-active sites promote charge carrier kinetics. This may drive achievement rate evolution by CdS/WS2-P (262.12 mmol·g–1·h–1) emphasizing synergistic interaction (1T-2H) nanostructures. Furthermore, stability analysis demonstrates that stable more than 60 h under continuous irradiation, highlighting their large-scale applications. Overall, this work example how overcome efficiency barrier via heterojunction creation nanosheets.

Language: Английский

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Application of Two-Dimensional Materials towards CMOS-Integrated Gas Sensors

Nanomaterials, Journal Year: 2022, Volume and Issue: 12(20), P. 3651 - 3651

Published: Oct. 18, 2022

During the last few decades, microelectronics industry has actively been investigating potential for functional integration of semiconductor-based devices beyond digital logic and memory, which includes RF analog circuits, biochips, sensors, on same chip. In case gas sensor integration, it is necessary that future can be manufactured using a fabrication technology also compatible with processes applied to transistors. This will likely involve adopting mature complementary metal oxide semiconductor (CMOS) technique or CMOS due inherent low costs, scalability, mass production this provides. While chemiresistive (SMO) sensors have principal investigated in past, resulting their eventual commercialization, they need high-temperature operation provide sufficient energies surface chemical reactions essential molecular detection gases ambient. Therefore, microheater MEMS structure requirement, quite complex. is, therefore, undesirable room temperature, at least near-room solutions are readily being sought after. Room-temperature SMO achieved UV illumination, but further complicates integration. Recent studies suggest two-dimensional (2D) materials may offer solution problem since high likelihood sophisticated while providing sensitivity towards plethora interest, even temperature. review discusses many types promising 2D show as channel field effect transistors (FETs) well FET-based sensing films, presence sufficiently wide band gap. excludes graphene from review, recent achievements oxide, reduced transition dichalcogenides (TMDs), phosphorene, MXenes examined.

Language: Английский

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